单�?双�?全�?恢�?缩略图 幻灯片 视�?标�?�?批�?
To realize access to this articles, you should full the advice Variety and We'll observe up along with your librarian or Establishment with your behalf.
We existing new experimental outcomes for your period-matching Attributes of your lately uncovered BaGa2GeSe6
A different application of this setup is seeding high-force CO2-laser amplifier [17]. It should be pointed out that presented setup of the mid-IR laser procedure is comparatively straightforward and has a great likely for Vitality scalability. Energy on the entrance-conclude Ti:sapphire laser is often elevated nearly a huge selection of Joules [twelve], nevertheless that pump laser will require a wide-aperture BGGSe crystal sample. Also, the DFG pulse Electricity may be amplified by an improvement of signal pulse�?uniform spectrum shape and greater Power.
We generate substantial-get harmonics from crystalline solids using a tunable mid-IR OPA with fifty kHz repetition amount. Applying nonlinear self-compression in YAG crystals, we generate sub three-cycle pulses at 3.8 μm wavelength for high harmonic spectroscopy. Study far more
New middle infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) are synthesized. The buildings of both equally BaGa2GeS6 and BaGa2GeSe6 had been uncovered to be isomorphous exhibiting a three-dimensional framework constructed with the parallel alignment of Ga or Ge tetrahedron groups alongside the c-aix. The ultraviolet transmittance spectrum signifies the shorter-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
Note: Creator names will likely be searched while in the keyword phrases discipline, also, but which could locate papers the place the person is pointed out, rather than papers they authored.
The progress of crystal growth and laser output of BGSe and BGGSe are summarized, and the future advancement is prospected.
The pictures or other third party product in the following paragraphs are included in the post’s Creative Commons license, Until indicated or else in a very credit score line to the material. If product just isn't included in the short article’s Resourceful Commons license as well as your supposed use just isn't permitted by statutory regulation or exceeds the permitted use, you must acquire authorization directly from the copyright holder. To watch a duplicate of the license, take a look at
Subject areas may be refined more while in the search engine results. The Topic aspect will reveal the superior-amount subject areas linked to the article content returned while in the search results. Exclusive COLLECTIONS
24% that's comparable with 1 attained with significant repetition charge small-Strength laser systems like in [9]. Taking into consideration a risk to improve pump pulse Electrical power of our set up as much as ~ten mJ, the DFG pulse Vitality is usually greater as much as ~24 μJ at precisely the same effectiveness, however, it expected a broad-aperture, ~fifteen mm in diameter BGGSe sample. Typical DFG pulse energy in AGS wasn't confidently calculated with Ophir-3A ability meter resulting from its low sign.
The behavior of dislocations within the interfacial location in between the epitaxial layer developed through the liquid phase along with the substrate of GaAs is investigated. Observations of dislocations lying alongside the 〈a hundred and ten�?Instructions had been carried out making use of an optical microscope after get more info shallow etching using a new chemical etchant.
$ rm BaGa _2 rm GeSe _6$ (BGGSe) can be a newly formulated nonlinear substance which is desirable for ultrabroad frequency mixing and ultrashort pulse technology resulting from its comparably very low dispersion and substantial harm threshold. A numerical study shows the fabric’s capability for octave-spanning mid-infrared pulse generation nearly 18 µm. In a first experiment, we exhibit that an extended crystal length of two.
This Web-site utilizes cookies to deliver several of our services and products and for analytics and to supply you a more individualized practical experience.
The nature of this instability and DFG Vitality decrease isn't clear for us. Among The explanations is usually connected that has a nonlinear absorption and plasma formation, respectively, that triggers reflection/scattering/absorption on the longwave mid-IR pulse. The dependence of BGGSe transmittance on pump pulse Electricity is offered in Fig.